Maryland County Bridge Report Cards
Compare county Bridge Condition Exposure Scores in Maryland by condition, traffic exposure, scour-critical bridges, average age, and data completeness. View the scoring methodology.
| County | Grade | Score | Poor | Poor Traffic | Scour-Critical | Avg Age |
|---|---|---|---|---|---|---|
| Garrett County | F | 59 | 11.4% | 5,511/day | 10 | 55 yrs |
| Charles County | D | 62 | 8.2% | 13,046/day | 8 | 52 yrs |
| Washington County | C | 74 | 4.5% | 323,921/day | 5 | 70 yrs |
| Caroline County | C | 77 | 10.0% | 5,633/day | 0 | 53 yrs |
| Baltimore County | C | 79 | 5.9% | 919,022/day | 10 | 57 yrs |
| Dorchester County | C | 79 | 10.6% | 586/day | 0 | 46 yrs |
| Carroll County | B | 80 | 4.9% | 28,097/day | 4 | 57 yrs |
| Kent County | B | 82 | 4.7% | 530/day | 0 | 68 yrs |
| St. Mary's County | B | 84 | 5.0% | 8,160/day | 0 | 56 yrs |
| Montgomery County | B | 85 | 4.8% | 275,822/day | 9 | 48 yrs |
| Somerset County | B | 85 | 6.8% | 249/day | 0 | 51 yrs |
| Allegany County | B | 86 | 5.1% | 13,016/day | 1 | 54 yrs |
| Wicomico County | B | 87 | 5.1% | 28,818/day | 0 | 50 yrs |
| Harford County | B | 89 | 4.3% | 44,983/day | 0 | 51 yrs |
| Howard County | B | 89 | 5.2% | 47,781/day | 0 | 47 yrs |
| Cecil County | B | 89 | 2.7% | 6,370/day | 3 | 54 yrs |
| Frederick County | A | 91 | 2.9% | 45,747/day | 0 | 54 yrs |
| Talbot County | A | 91 | 2.4% | 820/day | 0 | 58 yrs |
| Prince George's County | A | 92 | 3.3% | 192,981/day | 0 | 49 yrs |
| Worcester County | A | 94 | 1.6% | 110/day | 0 | 55 yrs |
| Queen Anne's County | A | 95 | 1.1% | 500/day | 0 | 54 yrs |
| Anne Arundel County | A | 96 | 1.3% | 7,117/day | 2 | 45 yrs |
| Calvert County | A | 100 | 0.0% | 0/day | 0 | 39 yrs |